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Application filed by Inspectoratul General Al MilitieifiledCriticalInspectoratul General Al Militiei
Priority to RO80100241ApriorityCriticalpatent/RO81634A2/ro
Publication of RO81634B1publicationCriticalpatent/RO81634B1/ro
Publication of RO81634A2publicationCriticalpatent/RO81634A2/ro
Inventia se refera la stigma-sterilbenzoati, cristale lichide colesterice, care sunt mezogeni derivati de la 24-S-stigmasta-5,2-dien-3-(beta-0,1, denumit si stigmasterol, compusi care au proprietati ale cristalelor lichide colesterice si smectice. Acesti compusi au structura chimica din formula generala I: (vezi formula) în care R reprezinta metil, clor, metoxi, cian sau fenil si au proprietati de cristale lichide colesterice în intervalul de temperatura de 148...256 degree C.
Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements